Re: [PATCH 1/2] x86/mem-sharing: ensure consistent lock order in get_two_gfns()

[Tamas K Lengyel <tamas@xxxxxxxxxxxxx>]

On Tue, Jun 29, 2021 at 8:54 AM Jan Beulich <jbeulich@xxxxxxxx> wrote:
>
> While the comment validly says "Sort by domain, if same domain by gfn",
> the implementation also included equal domain IDs in the first part of
> the check, thus rending the second part entirely dead and leaving
> deadlock potential when there's only a single domain involved.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>